cbs news will bring you live coverage of the hearings beginning wednesday morning at 5:15am pacific time. tonight we're following developments in the rising tensions with iran. sritain today called iran's seizure of an oil tanker an act of state piracy, and president trump denied iran's claim that it has arrested 17 people who were spying for the c.i.a. thtiaz tyab is following this uom the united arab emirates. >> reporter: tehran released vis video claiming it was clear leidence of a c.i.a. spy ring involving 17 iranian nationals and their american handlers, but ,hey offered few other details, and some of the accused, it says, will face execution. speaking at the white house, president trump had this to say: >> i read a report today about hai.a. that's totally a false story. that's another lie. they put out propaganda and lies. >> reporter: the allegations follow iran's revolutionary guard's storming a british inagged oil tanker over the weekend. radio recordings capture the moment the ship was apparently